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Magnesium Bisglycinate

Thorne · 200mg/scoop · 187g powder
4.73rd party testedemerging evidence
8.8of 10
Thorne Magnesium Bisglycinate
where to buy · 1 sellerfrom S$66S$1.38 per serving
Good for: sleep, stress, muscle recovery. Chasing focus instead? Magnesium L-threonate has the better evidence for that. See those instead

The score explained

evidence, testing and value, weighed before price

Why 8.8 of 10: Athlete-grade chelated magnesium, NSF Certified for Sport. The quality benchmark, at a premium.

what’s good
  • Fully chelated bisglycinate, gentle and well absorbed
  • NSF Certified for Sport, independently tested
  • Clean, no fillers
worth knowing
  • Most expensive option on the shelf
  • Powder only, not capsules

what the evidence says

Magnesium's evidence is honest but layered: deficiency is genuinely common and correcting it helps sleep, mood and muscle function, while trials in replete adults show much smaller effects. For sleep specifically, small trials suggest modestly faster sleep onset, mostly in older or deficient adults. Chelated bisglycinate absorbs well and is the gentlest common form on the gut, which is a tolerability advantage rather than an evidence one.

The effect of magnesium supplementation on primary insomnia in elderlyAbbasi et al., J Res Med Sci · 2012The effects of magnesium supplementation on subjective anxiety and stress: a systematic reviewBoyle et al., Nutrients · 2017
browse all research on magnesium

reviews

4.7· aggregated across retailer sites

Reviewers consistently report deeper sleep and fewer night wakings within a week or two, with none of the stomach upset they had from citrate or oxide. The powder dissolves fast and the light monk-fruit taste splits opinion. The recurring complaint is price, most call it worth it, some rebuy something cheaper.

helps sleepgentle on stomachpricey
AI summary of public retailer reviews

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